/*
 *  Copyright Beijing 58 Information Technology Co.,Ltd.
 *
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package com.bj58.oceanus.exchange;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

import com.bj58.oceanus.core.context.ConnectionContext;
import com.bj58.oceanus.core.context.TransactionContext;
import com.bj58.oceanus.core.jdbc.ConnectionManager;
import com.bj58.oceanus.core.utils.JdbcUtil;
import com.bj58.oceanus.exchange.jdbc.ConnectionWrapper;
import com.bj58.oceanus.exchange.jdbc.ProviderDesc;

/**
 * DatabaseUtils
 * 
 * @author Service Platform Architecture Team (spat@58.com)
 */
public class DatabaseUtils {
	
	public static Connection wrapConnection(Connection connection,
			ConnectionManager manager) {
		if (connection instanceof ConnectionWrapper) {
			return connection;
		}
		return new ConnectionWrapper(connection, manager, null);
	}

	public static Connection wrapConnection(Connection connection,
			ConnectionManager manager, ProviderDesc providerDesc) {
		if (connection instanceof ConnectionWrapper) {
			return connection;
		}
		return new ConnectionWrapper(connection, manager, providerDesc);
	}

	public static void beginTransaction(Connection connection) throws SQLException {
		ConnectionContext context = ConnectionContext.getContext();
		context.beginTransaction();
		connection.setAutoCommit(false);
	}

	public static void endTransaction(Connection connection) throws SQLException {
		connection.commit();
	}
	
	public static void releaseTransaction() {
		TransactionContext.getContext().release();
	}
	
	public static void closeConnection(Connection conn) {
		JdbcUtil.closeConnection(conn);
	}

	public static void closeStatement(Statement stmt) {
		JdbcUtil.closeStatement(stmt);
	}

	public static void closeResultSet(ResultSet rs) {
		JdbcUtil.closeResultSet(rs);
	}

}
